Home / 3,109.23-4,664.61-2,554.87

Finding the Fourth Proportional to 3,109.23, 4,664.61 and 2,554.87

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Solution

The fourth proportional to 3,109.23, 4,664.61 and 2,554.87 is: 3,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.23 : 4,664.61 = 2,554.87 : x
  2. Step 2: Convert to fraction form
    3,109.23/4,664.61 = 2,554.87/x
  3. Step 3: Cross multiply
    3,109.23x = 4,664.61 × 2,554.87
  4. Step 4: Simplify right side
    3,109.23x = 11,917,472.15
  5. Step 5: Solve for x
    x = 11,917,472.15/3,109.23
  6. Step 6: Final answer
    x = 3,832.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.